CVE-2017-11019 : Exploit Details and Defense Strategies

Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel were affected by a vulnerability that could lead to an error during the exit sequence.

Understanding CVE-2017-11019

This CVE entry describes a Use After Free vulnerability in the display process.

What is CVE-2017-11019?

The issue stemmed from the failure to close the file descriptor (fd) during the get_metadata process, despite freeing the allocated buffer, resulting in an error during the exit sequence.

The Impact of CVE-2017-11019

The vulnerability could potentially be exploited to cause system errors or crashes, impacting the stability and security of affected systems.

Technical Details of CVE-2017-11019

The technical details of this CVE include:

Vulnerability Description

The fd allocated during the get_metadata process was not closed, leading to an error during the exit sequence.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability could be exploited by malicious actors to trigger system errors or crashes.

Mitigation and Prevention

To address CVE-2017-11019, consider the following steps:

Immediate Steps to Take

Apply security patches provided by Qualcomm or relevant vendors.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update software and firmware to mitigate known vulnerabilities.
Implement security best practices to prevent and detect exploitation attempts.

Patching and Updates

Ensure timely installation of security updates and patches to address the vulnerability.